USGS Water-Year Summary 2024
412732078034201 CM 13
Catskill Formation
LOCATION - Lat 41°27'31.7", long 78°03'42.4" referenced to North American Datum of 1983, Cameron County, PA, Hydrologic Unit 02050202, at Sinnemahoning State Park.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 102 ft. Upper casing diameter 6 in; top of first opening 57 ft, bottom of last opening 102 ft. Drilled observation well, cased to 57 ft, open hole.
DATUM - Land-surface datum is 1,007 ft above North American Vertical Datum of 1988. Measuring point: top of casing; MODIFIED DATE FOR AQ MIGRATION; 10/ /1967, 3.07 ft above land-surface datum, Jun. 1, 1967 to Jan. 2, 1984; top of shelter platform, 3.1 ft above land-surface datum, Jan. 1, 1985 to Jan. 1, 1994; top of shelter platform, 3.04 ft above land-surface datum, Jan. 1, 1994 to present. Elevation of land surface is from Lidar.
PERIOD OF RECORD - October 1967 to current year.
GAGE - Data collection platform with 15-minute recording interval. Iridium satellite telemetry at station.
COOPERATION - Site maintained in cooperation with the Pennsylvania Department of Environmental Protection and the U.S. Geological Survey.
EXTREMES FOR PERIOD OF RECORD - Prior to October 2000, the extremes shown were based on extremes of the daily maximum depth below land-surface datum. Since that date, the extremes are based on the instantaneous depth below land-surface datum. Highest water level, 3.21 ft above land-surface datum, Apr. 3, 1993 (see Remarks); lowest, 25.98 ft below land-surface datum, Sept. 10, 1972.